Alert archive / Texas / Flash Flood Warnings in 2023

Flash Flood Warning 36, NWS San Angelo, TX

October 4, 2023Crockett County, Texas

NWS San Angelo, TX issued this flash flood warning at Oct 4, 2023, 7:36 PM CDT for Crockett County, Texas. It was in force for 114 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 4, 2023, 7:36 PM CDT (00:36 UTC)
Expired
Oct 4, 2023, 9:30 PM CDT
In force
114 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

County Crockett County, TX

The radar

The San Angelo radar (KSJT), 113 km from the middle of the area, began a volume at 00:39 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.6 hours before the alert went out and 455 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Fort Worth, TX at 00:00Z on 2023-10-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1617 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 2023-10-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1617 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1748 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.2
Supercell composite
5.5

Open this sounding in Storm Lab

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 4, 7:14 PM CDTSpecial Weather StatementSJTHaskell, Jones, Shackelford, Throckmorton61 min
Oct 4, 7:27 PM CDTSpecial Weather StatementSJTFisher48 min
Oct 4, 7:28 PM CDTSpecial Weather StatementSJTCrockett47 min
Oct 4, 8:17 PM CDTSpecial Weather StatementSJTFisher, Jones, Shackelford58 min
Oct 4, 8:22 PM CDTSpecial Weather StatementSJTSutton68 min
Oct 4, 9:46 PM CDTSpecial Weather StatementSJTMenard59 min
Oct 4, 9:52 PM CDTSpecial Weather StatementSJTFisher, Nolan53 min
Oct 4, 9:53 PM CDTSpecial Weather StatementSJTShackelford52 min
Oct 4, 9:56 PM CDTSpecial Weather StatementSJTBrown49 min
Oct 4, 10:41 PM CDTSevere Thunderstorm Warning Considerable damage threatSJTCrockett64 min
Oct 4, 11:44 PM CDTSpecial Weather StatementSJTCrockett46 min
Oct 5, 12:31 AM CDTAreal Flood AdvisorySJTCrockett, Sutton3 hr
Oct 5, 1:26 AM CDTSpecial Weather StatementSJTSutton49 min
Oct 5, 3:19 AM CDTSevere Thunderstorm WarningSJTKimble, Mason37 min

Nearby

Flash Flood Warnings in Texas, 2023Every flash flood warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.